minoteGPZ/src/main/java/net/micode/notes/ui/WeatherActivity.java

package net.micode.notes.ui;

import android.app.Activity;
import android.os.Bundle;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

import net.micode.notes.R;
import net.micode.notes.data.WeatherBean;

import java.io.IOException;
import java.lang.reflect.Type;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class WeatherActivity extends Activity {
    EditText et_search;
    TextView tv_search,city,weather;
    String content;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_weather);
        et_search = (EditText) findViewById(R.id.et_search);
        tv_search = (TextView) findViewById(R.id.tv_search);
        weather = (TextView) findViewById(R.id.weather);
        city = (TextView) findViewById(R.id.content);
        tv_search.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                content = et_search.getText().toString();
                request();
            }
        });

    }

    private void request() {


        //通过okhttp访问servlet
        String strURL = "https://apis.tianapi.com/tianqi/index?key=46b609e64712e310beaabd3901fce265&city=101020100&city="+content+"&type=1";


        Request request = new Request.Builder()
                .url(strURL)

                .build();


        OkHttpClient okHttpClient = new OkHttpClient();
        Call call = okHttpClient.newCall(request);

        //接收相应，进入子线程
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                Message message = new Message();
                message.what = 2;
                message.obj = e.getMessage();
                //通过handler向主线程发生json数据
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String json = response.body().string();
                Log.d("weather","weather"+json);
                Gson gson = new Gson();
                Type type = new TypeToken<WeatherBean>(){}.getType();
                WeatherBean weatherObject = gson.fromJson(json, type);
                if (weatherObject.code == 200) {
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            city.setText("城市："+weatherObject.result.area);
                            weather.setText(weatherObject.result.weather+weatherObject.result.real);
                        }
                    });
                }

            }
        });
    }

}